dmenu

my fork of dmenu
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commit e2e7fcb2198d40e2a50591932ee2b2a8f9969a5f
parent 1f2226df1380f178240bb81dddcad6c5ff2e9d62
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Tue, 20 Oct 2015 22:55:39 +0200

drw: simplify drw_font_xcreate and prevent a potential unneeded allocation

Diffstat:
Mdrw.c | 41+++++++++++++++++++----------------------
1 file changed, 19 insertions(+), 22 deletions(-)
diff --git a/drw.c b/drw.c
@@ -108,12 +108,8 @@ static Fnt *
 drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
 {
     Fnt *font;
-
-    if (!(fontname || fontpattern))
-        die("No font specified.\n");
-
-    if (!(font = calloc(1, sizeof(Fnt))))
-        return NULL;
+    XftFont *xfont = NULL;
+    FcPattern *pattern = NULL;
 
     if (fontname) {
         /* Using the pattern found at font->xfont->pattern does not yield same
@@ -122,28 +118,29 @@ drw_font_xcreate(Drw *drw, const char *fontname, FcPattern *fontpattern)
          * behaviour whereas the former just results in
          * missing-character-rectangles being drawn, at least with some fonts.
          */
-        if (!(font->xfont = XftFontOpenName(drw->dpy, drw->screen, fontname)) ||
-            !(font->pattern = FcNameParse((FcChar8 *) fontname))) {
-            if (font->xfont) {
-                XftFontClose(drw->dpy, font->xfont);
-                font->xfont = NULL;
-            }
+        if (!(xfont = XftFontOpenName(drw->dpy, drw->screen, fontname))) {
+            fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
+            return NULL;
+        }
+        if (!(pattern = FcNameParse((FcChar8 *) fontname))) {
             fprintf(stderr, "error, cannot load font: '%s'\n", fontname);
+            XftFontClose(drw->dpy, xfont);
+            return NULL;
         }
     } else if (fontpattern) {
-        if (!(font->xfont = XftFontOpenPattern(drw->dpy, fontpattern)))
+        if (!(xfont = XftFontOpenPattern(drw->dpy, fontpattern))) {
             fprintf(stderr, "error, cannot load font pattern.\n");
-        else
-            font->pattern = NULL;
-    }
-
-    if (!font->xfont) {
-        free(font);
-        return NULL;
+            return NULL;
+        }
+    } else {
+        die("no font specified.\n");
     }
 
-    font->ascent = font->xfont->ascent;
-    font->descent = font->xfont->descent;
+    font = ecalloc(1, sizeof(Fnt));
+    font->xfont = xfont;
+    font->pattern = pattern;
+    font->ascent = xfont->ascent;
+    font->descent = xfont->descent;
     font->h = font->ascent + font->descent;
     font->dpy = drw->dpy;